Questions tagged [geoprocessing]
Geoprocessing is a GIS operation used to manipulate GIS data. If you are performing geoprocessing using ArcGIS then the tag Geoprocessing-framework is specific to that software and should be used instead.
1,052
questions
-2
votes
0
answers
15
views
Land use land cover classification in GEE using Simple CART algorithm [closed]
I am classifying my study area LULC in GEE and it sends error message.
https://code.earthengine.google.com/ef6af6feac2fa781da77432ca4d57d1d
1
vote
0
answers
31
views
RuntimeError: wrapped C/C++ object of type AlgorithmDialog has been deleted - Custom Processing Script
This is my first real project for QGIS so I'm completely in the dark for the best practices. I'm working on a custom processing script within QGIS. Simply put the script uses the 'extract by location' ...
- 11
0
votes
0
answers
17
views
RAW mars CTX raster processing
I am trying to download a raw CTX image from mars reconnaissance orbiter mission.
the following link is the API request I got data from
https://oderest.rsl.wustl.edu/live2/?query=product&r=omfc&...
- 1
1
vote
1
answer
40
views
How to access layer using feature service URL/path
I am trying to access a feature layer within my Portal using the layers path. I have been accessing the data within Visual Studio Code using the feature layers ID like this:
feature_service_layer = ...
- 17
2
votes
1
answer
42
views
Geoprocessing Split does not preserve field domains ArcGIS Pro 3.1.3
I have a file geodatabase with a single polygon feature class and a field domain defined for an attribute.
I have a shapefile as a blade.
When Splitting is started, the output geodatabase tables do ...
- 4,375
0
votes
1
answer
56
views
Copying an attribute field from a polygon to a polyline
Is there a GP tool in ArcGIS Pro to copy a date field from a polygon feature class to a polyline feature class? I cannot use the join tool because there are no common fields after running the polygon ...
- 573
0
votes
0
answers
46
views
ArcGIS Pro: merge small polygons with their larger enclosing polygons
Polygons with an area size below a certain threshold should be merged with their enclosing polygons within the same layer. The image shows several cases in one example: in case of a threshold of 700, ...
- 445
0
votes
0
answers
20
views
Upload a CAD file into ArcGIS Portal as a hosted layer
ArcGIS Portal has the ability upload a shapefile and have this become a hosted layer.
Is there any pathway to upload a CAD file and have this become a hosted layer?
CAD is a supported data type for ...
- 21.1k
1
vote
0
answers
107
views
LiDAR data processing - Which is best Python or R? [closed]
I have started working with LiDAR data processing recently. I looked up for libraries to work with LiDAR in Python and R. I would like to know which one has better libraries and extensive ...
- 11
0
votes
0
answers
33
views
Count how many times a line passes near, through, etc
I am carrying out a work where I have to know how many times a cable (line) passes through a pole (point), I have this information in QGIS:
As can be seen in the image, the layer of lines has two ...
1
vote
1
answer
64
views
Difference tool retains records of deleted point features (without geometry)
I was using the Difference tool in QGIS version 3.22 on a points layer with a polygon overlay. This failed. I read this problem is commonly reported in 3.22 and upgraded to 3.30.3, as advised.
Now, on ...
- 679
0
votes
0
answers
71
views
Add vertical units to a DEM in ArcGIS Pro
I know that this may have been "answered" on other questions, but I am new to ArcGIS Pro, and they did not provide the guidance I need.
I am currently working on a project for a class, and I ...
- 101
0
votes
0
answers
201
views
Scheduled geoprocessing task failing in ArcGIS Pro
I'm new to ArcGIS Pro and am using v2.8 on a VM. I tried scheduling two Model Builder models to run over night every weekday, however, the geoprocessing history doesn't show that the models are ...
- 753
1
vote
2
answers
47
views
Moving Point features to other Point features
I have two point feature classes, and need to move the points of one feature class to match that of the other feature class. Normally, I would just do them by hand, using the move tool but the classes ...
- 19
0
votes
1
answer
60
views
Spatial Join Point within Polygon Python
My final project is to improve Waze with AI.
In order to do that I need to join 2 datasets.
1 - jams - linestrings that I convert to polygons using buffer
2 - alerts by user - points
Both are in the ...
- 11
0
votes
0
answers
147
views
QGIS - Can't clip two shapefile
I have been trying to clip two shapefiles for a few days now, and no matter what I do, I get this message:
GEOS geoprocessing error: intersection failed. - Execution failed after ... seconds
This is ...
- 23
1
vote
0
answers
52
views
More than one ArcEngine GeoProcessor run at a time (concurrent)
I'm trying to run more than one AddRastersToMosaicDataset geoprocessor at the same from a test .NET 4.8 C# console application. So far I tried the below approach running in threads but it seems as if ...
- 805
0
votes
1
answer
41
views
WMS to processable raster
I´m using a layer from this WMS (https://www.fao.org/giews/earthobservation/show_gis_layer.jsp?code=ETH&img_id=HiH_VHt). I can´t make geoprocesses or any other action (I want to clip by a certain ...
- 11
0
votes
0
answers
32
views
Error in ModelBuilder while all inputs are correct in the log
So I made a simple ModelBuilder to create a shapefile from a LAS dataset. Without the inline variables it is working correctly. As shown in the log, all the inputs are correctly taken and when ...
- 55
1
vote
3
answers
589
views
Combining multiple values (unique and different) into one column to based on unique value
I have a table consisting of two columns (1) unique values (some multiple times) and (2) values (unique and different) - I want to create a table that will contain two columns (1) unique values (no ...
- 113
0
votes
0
answers
33
views
QGIS: Finding difference returns a layer that has no geometry even though points are visible on map
I ran a simple Vector -> Geoprocessing Tools -> Difference query on two layers in QGIS.
I can see my new layer (called Difference) showing up in the Layers window and I can see all the points ...
- 75
-1
votes
1
answer
66
views
Delete Polygons And Extend Lines in ArcGIS Pro
I am trying to do the same of Delete Polygons And Extend Lines tool, but I don't have because of the licence that I had.
It works to extend the line after deleted the polygon in between any 2-3 lines.
...
- 19
0
votes
0
answers
124
views
ArcGIS Pro Summarize Within produces no output
I tried to use the Summarize Within tool on some dummy data but got no output. In trying to understand what I was doing incorrectly I found this ESRI tutorial and tried that but with the same problem -...
- 1,131
0
votes
1
answer
249
views
ArcPy vertices from each polygon and process separately as the input extent of arcpy.EvaluateRules
I used Generate Grid from Area geoprocessing tool to generate a blocklist of polygons. I have the following code for retrieving the vertices from the layer. My goal, to process each feature record ...
- 36
0
votes
1
answer
149
views
ArcMap Geoprocessing not executing no error codes Ouput Feature Class: <empty>
I am using ArcMap 10.8.2.
None of my geoprocessing tools are working suddenly. I have tried rebooting. No error codes are given, it simply doesn't complete the geoprocessing, just stays at the sand ...
1
vote
1
answer
49
views
Create a vector with vertices at a fixed distance in order to add transects
I am trying to create transects along the shape of the coastline.
I need that these transects are regularly spaced (e.g. 110 meters afar from each other at the starting point on the shape).
I have ...
- 73
1
vote
1
answer
934
views
Exporting selected feature to shapefile in ArcGIS WebApp Builder on ArcGIS Portal under ArcGIS Enterprise
I would like to add a widget that enable viewer user to select features by mouse and export the selected features to shapefile in ArcGIS WebApp Builder on ArcGIS Portal under ArcGIS Enterprise 10.8.
I ...
- 1,406
0
votes
1
answer
104
views
Is there a specific function within Network Analysis - OD Cost Matrix that solves for connectivity issues?
I am calculating the distance between points along a network dataset of roads. However, I am running into issues as some of the points do not align along the road network. I have attached an example ...
- 3
0
votes
1
answer
429
views
Seeking alternative to ArcGIS Pro Split tool
Using ArcGIS Pro for references:
I have a polygon feature converted from raster that covers a large area produced by a suitability analysis. There are a lot of little shapes (11,932 total) within the ...
1
vote
1
answer
126
views
How to tell if a layer is Z-aware or M-aware
I am trying to detect if a layer is Z-aware or M-aware. If it is, I need to flag it to be reconfigured without Z/M-awareness.
In the example below, I have already pulled down the layers and am ...
- 13
0
votes
1
answer
203
views
Clip a shapefile into rectangle shape
I have a global Vector file.
I want to clip it to country's level. But the file is very large and it is taking too much time. I want to first clip it to a rectangle as marked below, then use that ...
- 107
1
vote
0
answers
43
views
Shortest path based on priority
I'm using the geoprocessing "Shortest path (from layer to point)" of QGIS and i'd like to get the shortest path not in the usually way, but based on priority of the routes used.
For example, ...
- 935
2
votes
0
answers
57
views
How to make a projection of a linear layer on an another layer
I'd like to know how to make a projection of a complex linear layer on an another layer, overlapping their geometries perfectly and considering the extremities of lyr_1; using geoprocessing of QGIS. ...
- 935
0
votes
1
answer
814
views
How to transform Kelvin to Celsius in GEE
I'm struggling to transform Kelvin to Celsius in Google Earth Engine. I'm working with ERA5 2 meter air monthly average and the output of the code below is in Kelvin.
How can I transform it into ...
2
votes
1
answer
330
views
Polygonize large raster to create mask gives memory error
I have a very large land cover/land use raster for South America with dimensions (y: 162565, x: 188387) at the Landsat 30m resolution. I want to use it to mask another raster for the same area at 270m ...
- 23
1
vote
0
answers
303
views
ArcGIS Pro Geoprocessing tools do not create output due to file locking issues
When geoprocessing tools are run in ArcGIS Pro, sometimes I receive errors related to file access issues. Typically it is errors 229, 210 or 160385. It says it cannot open the file geodatabase, ...
- 156
1
vote
1
answer
231
views
Combining Polygons from matching features into a single MultiPolygon feature with QGIS
I have a GeoJSON file from an upstream provider that uses multiple feature "rows" to represent disjoint boundaries of what I need to treat as a single feature.
For example in the dataset ...
- 113
0
votes
1
answer
493
views
Connecting address points to nearest part of a road network that has matching street name
In ArcGIS Pro (or ArcMap), using built-in Esri geoprocessing tools, how can I create connection lines between address points and the nearest part of a road segment with a matching street name (e.g. '...
- 588
0
votes
0
answers
24
views
Default results management time period for ArcMap
I tend to forget that the default time period for geoprocessing results displayed in ArcMap is a meager 2 weeks, and I go back to an .mxd that I used years ago to try to refresh my memory on how I did ...
- 1
0
votes
0
answers
20
views
ArcGIS Pro Append Issue (field contains both text and numeric values) [duplicate]
I've got a workflow that appends values from a CSV file into a geodatabase table. Using field mapping, I've got the CSV column mapped to a text field. The issue I have is that the CSV column ...
- 51
1
vote
0
answers
14
views
Bypassing Optional Layers for Series of Differences in Graphical Model
I am working on a graphical model which uses succeeding geoprocessing differences but some layers to subtract are optional, however each step subtracts more depending on the layer.
Example iterative ...
- 23
2
votes
0
answers
44
views
Output singlepart features by default for tools and algorithms in QGIS
In QGIS, many algorithms and tools return multipart geometries. For further processing, a conversion Multipart to singleparts is necessary. This is a bit cumbersome.
To make just one example: when ...
- 67.2k
0
votes
1
answer
1k
views
Geoprocessing buffer "." files are not supported for this algorithm
I am trying to buffer a layer which worked earlier. I recieve, The "." files are not supported for this algorithm
Other tools give me the same error along with Fix Geometries, Reproject ...
- 23
0
votes
0
answers
412
views
Performance in reading and writing rasters using Python and GDAL
I've been thinking about how to improve my plugin's performance, which involves a lot of operations in chain (always getting the result of the previous algorithm). One of the problems I noticed is ...
3
votes
2
answers
558
views
Extracting raster values to points using ArcMap
I am working on a project to determine the coastal vulnerability. I have different variables like elevation, LULC, bathymetry, etc. of the entire study area.
I am stuck in the middle of my analysis.
...
- 309
2
votes
0
answers
56
views
Compare two linear layers with geoprocessing tools
I'd like to know how can i have in output two layers, composed by one of the two layers in input, comparing the geometry and attributes of the 2 input layers (test_1 and test_2) using geoprocessing ...
- 935
1
vote
2
answers
349
views
"Difference failed" error when using difference tool with point layers as input and overlay in QGIS
Is it possible in QGIS 3.16 to use the geoprocessing tool "Difference" with point layers as input and overlay?
The documentation seems to indicate that it is. However, when I do a test with ...
- 1,131
0
votes
0
answers
93
views
Using spatial buffer to "declutter" and retain point data in ArcMap
I have a shapefile of point data (lat/lon points) that I need to "declutter" a bit, based on a 15 km spatial buffer around each point. The image below shows what the data points look like, ...
- 11
2
votes
0
answers
58
views
Geometry Object geoprecessing fails
Theoretically, ArcPy geometry objects can be used as inputs and / or outputs in geoprocessing tools, just pass arcpy.Geometry() as an argument for outputs. However, I have come across several tools (...
- 69
1
vote
1
answer
442
views
ArcPy using SearchCursor with Geoprocessing to perform operations on each row
I have a shapefile, that has lots of individual rows. My goal is simple, to export each row as a raster.
I am trying to use SearchCursor, to select each row and perform a feature to raster conversion. ...
- 183